Water smartweed is a rather variable plant that can grow in water or on shores. The two forms differ noticeably, both in overall habit of the plant and in the shape of the leaves.
- Synonyms: Polygonum amphibium
- Family: buckwheat (Polygonaceae)
- Habitat: ponds, ditches, wet soil
- Height: 4-30 inches
- Flower size: 1/8 inch across
- Flower color: pink
- Flowering time: July to August
- Origin: native
This is the floating form of water smartweed.
This is the terrestrial form.